package trader.db;

import trader.*;

public interface BrokerDAO {
    void createCustomer(Customer cust) throws BrokerException;
    void removeCustomer(Customer cust) throws BrokerException;
    void changeCustomerInfo(Customer cust) throws BrokerException;
    Customer getCustomer(String ssn) throws BrokerException;
    Customer[] getAllCustomers() throws BrokerException;
    public boolean ssnExists(String ssn);
}
